www.gusucode.com > 支持分类的TAB式焦点图代码源码程序 > 支持分类的TAB式焦点图代码/雅虎JS精美焦点代码/雅虎JS精美焦点代码/js/bbs.js
var isStart=true; var nn; var tt; var bPlay=new Image; bPlay.src = "http://www.drame.cn/lanren/js/18/images/bu_pla.gif"; var bPause=new Image; bPause.src = "http://www.drame.cn/lanren/js/18/images/bu_pau.gif"; nn=1; setTimeout('change_img()',4000); function resetPlay(){ isStart=true; var e = document.getElementById("top_slider"); var a = e.getElementsByTagName("img"); for(i=0;i<a.length;i++){ if(a[i].src == bPlay.src) a[i].src = bPause.src; } } function playorpau(e){ if(e.src == "http://www.drame.cn/lanren/js/18/images/bu_pau.gif"){ e.src = bPlay.src ; isStart = false; }else{ e.src = bPause.src; isStart = true; } } function pre_img(){ resetPlay(); nn--; if(nn < 1) nn=3; setFocus(nn); } function next_img(){ resetPlay(); nn++; if(nn > 3) nn=1; setFocus(nn); } function change_img() { if(isStart){ nn++; if(nn>3) nn=1; setFocus(nn); }else{ tt=setTimeout('change_img()',100); } } function setFocus(i) { if(tt) clearTimeout(tt); nn = i; selectLayer1(i); tt=setTimeout('change_img()',4000); } function selectLayer1(i) { switch(i) { case 1: document.getElementById("bbs_s1").style.display="block"; document.getElementById("bbs_s2").style.display="none"; document.getElementById("bbs_s3").style.display="none"; break; case 2: document.getElementById("bbs_s1").style.display="none"; document.getElementById("bbs_s2").style.display="block"; document.getElementById("bbs_s3").style.display="none"; break; case 3: document.getElementById("bbs_s1").style.display="none"; document.getElementById("bbs_s2").style.display="none"; document.getElementById("bbs_s3").style.display="block"; break; } }